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5V 4-Channel Relay Module

This optoisolated 4 relay module is used for controlling several devices operating at high voltages...
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5V 8-Channel Relay Module

This module allows you to control several high voltage devices, like the home appliances, using...
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5V Dual Channel Relay Module

This module allows you to control high voltage devices, like the home appliances, using a...
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5V Relay Module With Optocoupler

Relay mode with a channel suitable for controlling devices operating at high voltage.
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5V Stepper Motor + ULN2003 Stepper Driver

The driver is based on an integrated ULN2003 circuit that contains several Darlington configurations. It works...